Add 42/12 and 6/9
1st number: 3 6/12, 2nd number: 6/9
42/12 + 6/9 is 25/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
42/12 = 42 × 3/12 × 3 = 126/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
6/9 = 6 × 4/9 × 4 = 24/36 - Add the two like fractions:
126/36 + 24/36 = 126 + 24/36 = 150/36 - 150/36 simplified gives 25/6
- So, 42/12 + 6/9 = 25/6
In mixed form: 41/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+6/9 42/12+12/9 42/24+6/9 42/12+6/18 42/12+18/9 42/36+6/9 42/12+6/27 42/12+30/9 42/60+6/9 42/12+6/45 42/12+42/9 42/84+6/9 42/12+6/63